package com.jiazhong.servlets;


import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;


/**
 * @Auther:shuXin
 */
/*
创建Servlet的这个实体类，这个类要实现servlet的接口(但是实现的方法比较多，所以我们继承一盒HttpServlet类)
 */
@WebServlet("/servletTest09")
public class ServletTest09 extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setAttribute("username", "zhangsan");
        //获得域当中的对象
        Object username = req.getAttribute("username");
        System.out.println(username);
    }
}
